Bootstrap 5 vs. Bootstrap 3 & 4 This tutorial follows Bootstrap 4 , which was released in 2018, as an upgrade to Bootstrap 3, with new components, faster stylesheetc, more responsiveness, etc. Bootstrap 5 (released 2021) is the newest version of Bootstrap ; It supports the latest, stable releases of all major browsers and platforms. Get started with Bootstrap , the world’s most popular framework for building responsive, mobile-first sites, with jsDelivr and a template starter page. Bootstrap Versions This tutorial follows Bootstrap 4 , which was released in 2018, as an upgrade to Bootstrap 3, with new components, faster stylesheetc, more responsiveness, etc. Bootstrap 5 (released 2021) is the newest version of Bootstrap ; It supports the latest, stable releases of all major browsers and platforms. Bootstrap 4 is an open-source framework for creating responsive web applications. It is the most popular CSS framework for creating mobile-first websites. It is free to use we can directly integrate Bootstrap 4 into our project using CDN Links or with npm. Bootstrap 4 Tutorial is designed to help beginners and experienced professionals. Reason to Learn Bootstrap 4 offers pre-designed components and various utilities that help developers quickly design responsive web pages. Bootstrap 4 helps ...